1. Wallerian DegenerationA) describes what happens to the axon when there is myelinopathyB) is a specific diseaseC) rarely occurs in response to traumatic injury to the axonD) None of the above 2. Explain in 3 sentences or less what is the difference between regeneration and denervation. 3. Explain in 2 sentences or less how a muscle fiber that lost its connection to a motor neuron could regain a connection to a motor neuron. 4. Discuss a) all the different diseases we have talked about since our first midterm

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.